fix: update integration tests for v3 search response format

v3 search returns {results: [...]} instead of a bare array.
Updated waitForSearchResults helper and search edge case tests
to unwrap the v3 envelope.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

mem0-ts/src/client/tests/integration/helpers.ts

@@ -92,8 +92,12 @@ export async function waitForSearchResults(
   maxRetries = 4,
 ): Promise<Memory[]> {
   for (let attempt = 1; attempt <= maxRetries; attempt++) {
-    const results = await withRetry(() => client.search(query, options));
-    if (Array.isArray(results) && results.length > 0) {
+    const response = await withRetry(() => client.search(query, options));
+    // v3 returns { results: [...] }, unwrap for backward compat
+    const results = Array.isArray(response)
+      ? response
+      : (response?.results ?? []);
+    if (results.length > 0) {
       return results;
     }
     if (attempt < maxRetries) {

mem0-ts/src/client/tests/integration/search.test.ts

@@ -108,22 +108,30 @@ describeIntegration("MemoryClient Integration — Search & History", () => {
   // ─── Edge cases ─────────────────────────────────────────
   describe("edge cases", () => {
     test("search for non-existent user returns empty results", async () => {
-      const results = await client.search("anything", {
+      const response = await client.search("anything", {
         filters: { userId: `nonexistent-user-${randomUUID()}` },
       });
+      // v3 returns { results: [...] }
+      const results = Array.isArray(response)
+        ? response
+        : (response?.results ?? []);
 
       expect(Array.isArray(results)).toBe(true);
       expect(results.length).toBe(0);
     });
 
     test("search with top_k param does not throw", async () => {
-      const results = await client.search(
+      const response = await client.search(
         "Tell me about integration test user",
         {
           filters: { userId: TEST_USER_ID },
           topK: 1,
         },
       );
+      // v3 returns { results: [...] }
+      const results = Array.isArray(response)
+        ? response
+        : (response?.results ?? []);
 
       expect(Array.isArray(results)).toBe(true);
     });